Robert Knepper has just landed a role in season 2 of the CW's hit show Arrow as criminal mastermind William "Clock King" Tockman.

Robert Knepper is a busy busy man these days.  Known for his work on Prison Break, Heroes, and TNT’s Mob City, Knepper is set to appear in Arrow in episode 14 of season 2 after the mid-season break.

Source: TV Line

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